Procurement of Voltage Transformers (PT) and Current Transformers (CT) for River Water System and Construction Supply Panels of unit 1 and 2 at KaTPP, Jhalawar

Voltage Transformers for 33 KV (RWS) (IS/IEC Standards 3156/1992, Ratio:33000/√3/110√3/110√3 V Insulation Level: 36/70/170KV FREQ. 50 HZ, Insulation Class: B VF: 1.2 Cont. & 1.9 for 8 Hours Type: Phase to Earth Secondary 1 : 110/√3 V, Class 1, 100VA, 1a-1n, Secondary 2 : 110/√3 V, 3P,100VA,2a-2n Secondary Terminal On : P2 Side, Drawing No. :-RVUN/KaTPP/RWS/BRKP/33 KV PT/(33KV/110V) /01

Voltage Transformers for 11 KV Incomer Panels (DAM) (IS/IEC Standards : 3156/1992, Ratio:11000/√3/110√3/110√3 V Insulation Level: 12/28/75 KV FREQ. 50 HZ, VF: 1.2 Cont. & 1.9 for 8 Hours Type:Phase to Earth, Insulation Class: B Secondary 1 :110/√3 V, Class:1, 100VA, Term: 1a-1n, Secondary 2 :110/√3 V, Class: 3P, VA/Ph: 100VA,Term:2a-2n Drawing No. :- RVUN/KaTPP/RWS/INCM & BUS PT/11 KV PT-01

Voltage Transformers for LT Panel (DAM) Ratio: 415V/110V, VA: 50 VA Drawing No. :-RVUN/KaTPP/LTP(DAM)/PT-415V/01

Voltage Transformer for Construction Supply Panel( 3 Nos in each set) Ratio: 11KV/110 V Three Phase Three Limb Freq. 50Hz Burden 100VA/Phase, Acc. Class 0.5 Connection λ-λ IL: 28/75KV SV/HSV: 11/12 KV Drawing No. :-RVUN/KaTPP/PT-(11KV/110V)/CSP/01 (3 pages)

Current Transformers for 33 KV IS/IEC Standards : 2705/1992, Ratio: 150/1-1-1, Insulation Level: 36/70/170KV FREQ. 50 HZ Insulation Class: B, Core 1 : 150/1A Burden:15VA CL. 1.0 Core 2 : 150/1A Burden:15VA CL. 5P ALF: 20 Core 3 : 150/1A CL. PS, For Core 3 Min. VK 26[RCT+1] lex: Less than 30mA at VK/4 V SHORT TIME S.T.C: 16 KA FOR 3 SEC Secondary Terminal On : P2 Side, Drawing No. :- RVUN/KaTPP/RWS/BRKP/CT (150/1-1-1)/01 (2 Pages)

Current Transformers for LBS Panel (RWS) IS/IEC Standards : 2705/1992 FREQ. 50 HZ Insulation Level: 12/28/75KV Ratio: 400/1 A Insulation Class: B Core 1 : 400/1A CL. PS For Core1 Min. VK (26Rct+1.0) Max Rs. 1.5lex. Less than 30mA at VK/4 V Secondary Terminal On : P2 Side Drawing No.:-RVUN/KaTPP/11KV LBSP/Plant/CT-(400/1)/01

Current Transformer for 11 KV Bus Coupler Panel (RWS) IS/IEC Standards : 2705/1992 Ratio: 400/1 Insulation Level: 12/28/75KV FREQ. 50 HZ Insulation Class: B Core 1 : 400/1A Burden:15VA CL. 5P ALF: 20 SHORT TIME S.T.C: 16 KA FOR 3 SEC Secondary Terminal On : P2 Side Drawing No. :- RVUN/KaTPP/11KV BCP/DAM/CT-(400/1)/ 01

Current Transformer for 11KV Incomer Panel (RWS) IS/IEC Standards : 2705/1992 Ratio: 400/1-1-1A Insulation Level: 12/28/75 KV FREQ. 50 HZ, Insulation Class: B Core 1 : 400/1A Burden:15VA CL. 1.0, Core 2 : 400/1A Burden:15VA CL. 5P ALF: 20 Core 3 : 400/1A CL. PS, SHORT TIME S.T.C: 16 KA FOR 3 SEC Secondary Terminal On : P2 Side, For Core3:Min VK: 104 V MAX Rs. 3.0 Lex Less than 30mA at Vk/4 V Drawing No. :-RVUN/KaTPP/11KV INCMRP/Dam/CT-(400/1-1-1)/01

Current Transformers for 11KV Motor Panel & 6.3 MVA Transformer Feeder IS: 2705/1992 Insulation Level: 12/28/75KV FREQ. 50 HZ Ratio: 50/1-1 A Insulation Class: B Type: Phase to Earth Core 1 : 50/1A Burden:15VA CL. 1.0 Core 2 : 50/1A Burden:15VA CL. 5P ALF: 20 SHORT TIME S.T.C: 16 KA FOR 3 SEC Secondary Terminal On : P2 Side Drawing No. :- RVUN/KaTPP/RWS/MP&TP/CT-(50/1-1)/01